Construction Material and Management: Nuclear Quiz 3

With entities given in List -I as properties and List-II as the test, match them appropriately.

List-I

P) Workability of concrete

Q) Tensile strength of concrete

R) Air permeability of concrete

S) Compressive strength of concrete

List-II

1) Universal testing machine

2) Blain’s test

3) Brazilian test

4) Vee Bee consistometer test

P - Q - R - S

Which of the following statements are correct?
1) Tensile test of cement is performed on the cubes of size 70.6 mm.
2) Tensile strength of ordinary portland cement should not be less than 2.5 N/mm2 at the age of 7 days.
3) The compressive strength of cylindrical specimen is more than cubical specimen.
4) Specific gravity of portland cement should be 3.15.

Consider the following statements regarding quality control:

1. It refers to absolute conformity to specifications.

2. It may not vouch against overspending.

3. It may unknowingly resort to overdesign in the hope of risk minimization.

4. It is intended to reduce maintenance costs.

Which of the above statements are correct?

Calculate the fuel cost for a power shovel diesel engine of 120 HP and crankcase capacity of 20 L. The value of operating factor is 0.6 and the rate of diesel is Rs. 70 /hr

Calculate on approximately estimate (Rs) of the building with total plinth area of the building is 600 m². The Rate of plinth area in Rs 2,000 m². The costs of the water supply and contigencies are 7% and 5% of cost of construction respectively.

Consider the given project network, where numbers along various activities represent normal time. The free float of an activity 4-6 and the project duration respectively are.

The original cost of the equipment is Rs 90,000. Its salvage value at the end of its useful life of 4 years is 33,000. Its book value at the end of two years of its useful life as per the straight-line method of evaluation of depreciation will be